/*******************************************************************************
 * Copyright 2017 Bstek
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License.  You may obtain a copy
 * of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations under
 * the License.
 ******************************************************************************/
package com.bstek.urule.runtime.assertor;

import com.bstek.urule.model.library.Datatype;
import com.bstek.urule.model.rule.Op;

import java.util.Collection;

/**
 * @author Jacky.gao
 * @since 2017年12月21日
 */
public class ContainAssertor implements Assertor {
    public boolean eval(Object left, Object right, Datatype datatype) {
        if (left == null || right == null) {
            return false;
        }
        if (left instanceof String) {
            return left.toString().contains(right.toString());
        }
        if (left instanceof Collection) {
            Collection<?> list = (Collection<?>) left;
            if (right instanceof Collection) {
                Collection<?> rightList = (Collection<?>) right;
                return list.containsAll(rightList);
            } else {
                return list.contains(right);
            }
        }
        String leftStr = left.toString();
        String rightStr = right.toString();
        return leftStr.contains(rightStr);
    }

    public boolean support(Op op) {
        return op.equals(Op.Contain);
    }
}
